JPS5188257A - Denshidokeino kankyuchoseisochi - Google Patents

Denshidokeino kankyuchoseisochi

Info

Publication number
JPS5188257A
JPS5188257A JP50013652A JP1365275A JPS5188257A JP S5188257 A JPS5188257 A JP S5188257A JP 50013652 A JP50013652 A JP 50013652A JP 1365275 A JP1365275 A JP 1365275A JP S5188257 A JPS5188257 A JP S5188257A
Authority
JP
Japan
Prior art keywords
kankyuchoseisochi
denshidokeino
denshidokeino kankyuchoseisochi
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP50013652A
Other languages
Japanese (ja)
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP50013652A priority Critical patent/JPS5188257A/en
Publication of JPS5188257A publication Critical patent/JPS5188257A/en
Priority to US05/888,634 priority patent/US4254494A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G3/00—Producing timing pulses
    • G04G3/02—Circuits for deriving low frequency timing pulses from pulses of higher frequency
    • G04G3/022—Circuits for deriving low frequency timing pulses from pulses of higher frequency the desired number of pulses per unit of time being obtained by adding to or substracting from a pulse train one or more pulses

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electric Clocks (AREA)
JP50013652A 1975-01-31 1975-01-31 Denshidokeino kankyuchoseisochi Pending JPS5188257A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP50013652A JPS5188257A (en) 1975-01-31 1975-01-31 Denshidokeino kankyuchoseisochi
US05/888,634 US4254494A (en) 1975-01-31 1978-03-21 Accuracy correction in an electronic timepiece

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50013652A JPS5188257A (en) 1975-01-31 1975-01-31 Denshidokeino kankyuchoseisochi

Publications (1)

Publication Number Publication Date
JPS5188257A true JPS5188257A (en) 1976-08-02

Family

ID=11839141

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50013652A Pending JPS5188257A (en) 1975-01-31 1975-01-31 Denshidokeino kankyuchoseisochi

Country Status (2)

Country Link
US (1) US4254494A (en)
JP (1) JPS5188257A (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH620565B (en) * 1977-02-28 Ebauches Sa ELECTRONIC WATCH PART.
CH621036B (en) * 1977-02-28 Berney Sa Jean Claude INTEGRATED CIRCUIT FOR WATCHMAKING PART.
JPS5422865A (en) * 1977-07-21 1979-02-21 Seiko Epson Corp Miniature electronic watch
US4408897A (en) * 1982-09-22 1983-10-11 Ebauches Electroniques S.A. Electronic timepiece having a digital frequency correction circuit
US4644484A (en) * 1984-05-22 1987-02-17 American District Telegraph Company Stand-alone access control system clock control
WO1991011763A1 (en) * 1990-01-29 1991-08-08 The United States Of America, Represented By The Secretary, United States Department Of Commerce Device and method for providing accurate time and/or frequency
FR2669791B1 (en) * 1990-11-27 1994-12-09 Met METHOD FOR CORRECTING THE SYSTEMIC DRIFT OF PILOT CLOCKS BY AN OSCILLATOR AND ITS IMPLEMENTING DEVICE.
US5596554A (en) * 1993-06-04 1997-01-21 Hagadorn; Hubert W. Set operation in a timepiece having an electrooptical display
JP3066724B2 (en) * 1995-10-30 2000-07-17 セイコーインスツルメンツ株式会社 Logic circuit and electronic equipment with logic circuit
CH692534A5 (en) * 1998-11-05 2002-07-15 Em Microelectronic Marin Sa A method of adjusting the operation of a timepiece module by means of destructible fuse by laser.

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3351493A (en) * 1960-08-22 1967-11-07 Electro Optical Systems Inc Diffused radiation tracking transducer having a lateral photo voltage junction
GB1213794A (en) * 1966-12-05 1970-11-25 Robert Stephen Phillips Tuning of musical instruments
US3559170A (en) * 1967-03-07 1971-01-26 William S Barnes Methods and apparatus for data input to a computer
GB1352082A (en) * 1971-02-10 1974-05-15 Suwa Seikosha Kk Methods and apparatus for measuring the accuracy of electric timepieces
GB1349023A (en) * 1971-07-16 1974-03-27 Omega Brandt & Freres Sa Louis Adjustable frequency pulse generator
CH554015A (en) * 1971-10-15 1974-09-13
GB1399024A (en) * 1972-07-12 1975-06-25 Suisse Pour Lindustrie Horloge Electronic correction circuit in a timepiece
US3811314A (en) * 1972-09-06 1974-05-21 A Anouchi Time-interval rate meter for time measuring devices and method for checking time pieces
US3808407A (en) * 1972-10-13 1974-04-30 Honeywell Inc Pulse difference counter
JPS5331631B2 (en) * 1973-01-10 1978-09-04
CH585426B5 (en) * 1973-02-27 1977-02-28 Ebauches Sa
US3937049A (en) * 1973-03-12 1976-02-10 Citizen Watch Co., Ltd. Monitoring system for digital electronic timepiece
US3892124A (en) * 1974-06-14 1975-07-01 Time Computer Wristwatch analyzer
US3914931A (en) * 1974-10-01 1975-10-28 Suwa Seikosha Kk Electronic timepiece

Also Published As

Publication number Publication date
US4254494A (en) 1981-03-03

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